Roald Bahr

Email roald.bahr@nih.no

Telephone 23262302

Mobile Phone 91589912

Member of OSTRC

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Roald Bahr MD PhD is professor of sports medicine and chair of the Oslo Sports Trauma Research Center and the Department of Sports Medicine at the Norwegian School of Sports Sciences. He also holds a clinical appointment at the Department of Sports Medicine at the Olympic Training Center.

He is authorized as Sports Medicine Physician (Idrettslege NIMF) by the Norwegian Society of Sports Medicine and a fellow of the American College of Sports Medicine. He serves as team physician for the national teams in beach volleyball.

Roald Bahr is past president of the National Council on Physical Activity, past president of the Norwegian Society of Sports Medicine, a current member of the Sports Medicine Council of the Norwegian Olympic Committee and Confederation of Sports, member and president of the Medical Commission of the International Volleyball Federation (FIVB), and member of the IOC Medical Commission - Medical and Scientific Group. His main research area is sports injury prevention. He is a former national team volleyball player and coach.

Projects

The role of the referee: a video analysis of the interpretation of the rules of football in injury-risk situations in professional football >>

Dynamic characteristics of the extensor apparatus among volleyball players with jumper`s knee - a cohort study >>

Self-estimation of ability among skiers and snowboarders in alpine skiing resorts >>

A comparison of the effects of two different exercises to improve maximal hamstring muscle strength among male footballers >>

Characteristics of the leg extensors in male volleyball players with jumper`s knee - a case-control study >>

A model-based image-matching technique for 3D reconstruction - application to ACL injury situations >>

A prospective cohort study of anterior cruciate ligament injuries in elite Norwegian team handball >>

Injury surveillance in male professional football; is medical staff reporting complete and accurate? >>

The FIS Injury Surveillance System >>

Prevention of football injuries: an intervention study >>

Prevention of ACL injuries in Norwegian female team handball >>

Prevention of knee and ankle injuries among young players in Norwegian team handball >>

Prevention of injuries in soccer through increased awarenes of injury situations >>

Prevention of injuries in female Norwegian elite soccer >>

Prevention of hamstrings strains in football >>

Injuries among competitive snowboarders at the national elite level >>

An immune-histochemical study of subclasses of inflammatory cells and active collagen-producing fibroblasts in the patellar ligament in patients with jumper's knee >>

Individual risk factors for injuries in Icelandic soccer >>

Innervation of the patellar ligament in patients with jumper`s knee >>

Traumatic brain injuries in football due to minor head trauma a prospective clinical study >>

Clinical, functional and radiological outcome 6-10 years after ACL-injuries in team handball players - a follow-up study >>

Validation of a model based image-matching technique for 3D motion reconstruction from uncalibrated 2D videosequences >>

Knee loading during side-step cutting: A comparison of Norwegian male and female elite handball players >>

The mechanisms of serious knee injuries in female European team handball - a 3D kinematic and kinetic analysis based on uncalibrated 2D video recordings >>

The prevalence of jumpers knee among elite Norwegian athletes >>

Risk factors for Achilles tendon rupture and postoperative problems >>

Risk factors for ankle injury in Scandinavian elite football >>

Risk factors for injury in Norwegian skiing resorts >>

Association between difference floor types and the incidence of ACL injuries in team handball >>

Physical performance of soccer players, injuries and team success in Icelandic soccer >>

Injuries in young players in Norwegian team handball >>

Injury mechanisms for ankle injury in Scandinavian elite football >>

Injury mechanisms for ACL injuries in team handball - a video analysis >>

Mechanisms of injuries and incidents in Icelandic soccer - Match analysis >>

Mechanisms of serious knee injuries in World Cup freestyle skiing - a 3D kinematic analysis based on uncalibrated 2D video recordings >>

Injury mechanisms for head injuries in football >>

Injuries in Norwegian female team handball >>

Ultrasound-guided sclerosis of neovessels in painful chronic patellar tendinopathy – a randomized controlled trial >>

Ultrasound-guided sclerosis of neovessels in painful chronic patellar tendinopathy – a prospective study >>

The Amsterdam Balance Board study: The effect and cost-effectiveness of a balance training programme on the risk of acute lateral ankle injury - a randomized controlled trial >>

The FIVB Beach Volleyball Injury Study: injuries among professional beach volleyball players >>

Relationship between symptoms of jumper`s knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players >>

Football Incident Analysis (FIA): A new video-based method to analyse injury-risk situations in professional football >>

Video analysis of acute injuries in Norwegian male professional football >>

A new method for strength and power testing used for monitoring rehabilitation, performance and training >>

Patellar tendinopathy among senior high school volleyball players >>

Preventing injuries in female youth football-a randomized controlled study >>

Performance aspects of an injury prevention program: A 10-week intervention in adolescent female football players >>

Injury risk on natural grass and artificial turf among young female football players >>

Self-report of previous injuries and function in the lower extremities as risk factors for injuries in female youth football >>

A national register for ACL injuries >>

Association between psychological factors and injuries in young female football players >>

Validation of the visual inspection approach in video analysis >>

Mechanisms of ACL injury inbasketball: video analysis of 39 cases >>

Prevalence of health problems in Norwegian female biathlon athletes. >>

The 11+ >>

Injury risk on artificial turf in youth football >>

Injuries in football referees >>

Non-traumatic injuries in professional road cycling >>

Video analysis of skiing injuries >>

Risk factors for ACL-injuries among elite female football players >>

Nordic Football Injury Audit – Injury surveillance in the first leagues of Sweden (Allsvenskan) and Norway (Tippeligaen) >>

Risk of injury on artificial turf in Nordic football >>

Differences in motion patterns and strength measures between previously ACL-injured players and non-injured players >>

Determinants of excessive valgus moments of the knee in drop jumps and sidestep cutting, using 2D recording and 3D motion analysis >>

Injuries among World Cup freestyle skiers >>

Injuries among World Cup ski and snowboard athletes >>

Injuries among male and female World Cup alpine skiers >>

Injuries among World Cup athletes in the Nordic disciplines >>

Injuries among World Cup snowboard athletes >>

Knee joint kinematics in non-contact ACL injury situations from female team handball and basketball >>

Video analyses of ACL injuries in World Cup alpine skiing >>

Relationship between objectively measured valgus moments in drop jumps and sports specific cutting movements, and poor clinical test scores in elite female football players >>

Text messaging as a new method for injury registration in sports – a methodological study in elite female football >>

Compliance with the 11+ injury prevention program in youth female football players >>

Risk factors for non-contact ACL injuries in elite female team handball players – A prospective cohort study >>

The effect of a center line rule change on the incidence of ankle sprains and rule violations in women's collegiate volleyball >>

Ultrasound-guided sclerosis of neovessels in painful chronic patellar tendinopathy – a randomized controlled trial >>

Cutting technique as a predictor of knee valgus moment >>

Correlation between lower extremity kinetics and kinematics in drop jumps and sidestep cutting >>

Association between psychological factors and injuries in female elite football players >>

Prevalence of low back pain in elite female football players >>

The correlation between two-dimensional video analysis and subjective assessment in evaluating knee control among elite female team handball players >>

Video analysis of anterior tibial translation in a non-contact ACL injury situation >>

Ankle injuries in volleyball: A prospective intervention study >>

Ankle injuries in volleyball: A retrospective cohort study >>

A randomized study comparing outcome after standard surgical treatment and eccentric training among athletes with jumpers knee >>

Is eccentric training an option in the treatment of jumper's knee? - a pilot study >>

The effect of eccentric training on patellar tendinopathy among volleyball players >>

Mechanisms for non-contact ACL injuries in sports - A systematic review >>

Prevalence of low back pain among cross-country skiers, rowers, orienteerers and sedentary controls - A cross-sectional study >>

Relationship between symptoms of jumper`s knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players >>

Development of new methods to record overuse problems among athletes >>

Publications

2010

Steffen, Kathrin; Andersen, Thor Einar; Krosshaug, Tron; van Mechelen, Willem; Myklebust, Grethe; Verhagen, Evert; Bahr, Roald. ECSS Position Statement 2009: Prevention of acute sports injuries. European Journal of Sport Science 2010:10(4):223-236.

Soligard, Torbjørn; Nilstad, Agnethe; Steffen, Kathrin; Myklebust, Grethe; Holme, Ingar; Dvorak, Jiri; Bahr, Roald; Andersen, Thor Einar. Compliance with a comprehensive warm-up programme to prevent injuries in youth football. British Journal of Sports Medicine 2010:44.

Flørenes, Tonje Wåle; Nordsletten, Lars; Heir, Stig; Bahr, Roald. Injuries among World Cup ski and snowboard athletes. Scandinavian Journal of Medicine and Science in Sports 2010:doi:10.1111/j.1600-0838.2010.01147.x

Flørenes, Tonje Wale; Nordsletten, Lars; Heir, Stig; Bahr, Roald. Recording injuries among World Cup skiers and snowboarders: a methodological study. Scandinavian Journal of Medicine and Science in Sports 2009: DOI: 10.1111/j.1600-0838.2009.01048.x.

Engebretsen, Lars; Steffen, Kathrin; Bahr, Roald; Broderick, Carolyn; Dvorak, Jiri; Janarv, Per-Mats; Johnson, Amanda; Leglise, Michel; Mamisch, Tallal Charles; McKay, Damien; Micheli, Lyle; Schamasch, Patrick; Singh, Gurcharan Dato; Stafford, Diane EJ; Sten, Harald. The International Olympic Committee Consensus Statement on age determination in high-level young athletes. British Journal of Sports Medicine 2010:44:476-486.

Bjørneboe, John; Flørenes Tonje Wåle; Bahr, Roald; Andersen, Thor Einar. Injury surveillance in male professional football; is medical staff reporting complete and accurate? Scandinavian Journal of Medicine in Sports and Science 2010:doi: 10.1111/j.1600-0838.2009.01085.x.

2009

Straume-Næsheim, Truls; Andersen, Thor Einar; Holme, Ingar; McIntosh, Andrew; Dvorak, Jiri; Bahr, Roald. Do minor head impacts in soccer cause concussive injuries? A prospective case-control study. Neurosurgery 2009:64:719-725.

Straume-Næsheim, Truls; Andersen, Thor Einar; Jochum, Marianne; Dvorak, Jiri; Bahr, Roald. Minor head trauma in soccer and serum levels of S100b. Neurosurgery 2008:62:1297-1306.

Steffen, Kathrin; Pensgaard, Anne Marte; Bahr, Roald. Self-reported psychological characteristics as risk factors for injuries in female youth football. Scandinavian Journal of Medicine in Sport and Sciences 2009:19(3):442-451. ISSN 0905-7188.

Granan, Lars-Petter; Bahr, Roald; Lie, Stein Atle; Engebretsen, Lars. Timing of anterior cruciate ligament reconstructive surgery and risk of cartilage lesions and meniscal tears. A cohort study based on the Norwegian national knee ligament registry. American Journal of Sports Medicine 2009:37(5):955-961.

Froholdt, Anne; Olsen, Odd-Egil; Bahr, Roald. Low risk of injuries among children playing organized soccer. A prospective cohort study. American Journal of Sports Medicine 2009. doi:10.1177/0363546508330132. ISSN 0363-5465.

Flørenes, Tonje; Bere, Tone; Nordletten Lars; Heir, Stig; Bahr, Roald. Injuries among male and female World Cup alpine skiers. British Journal of Sports Medicine 2009:43:973-978.

Engebretsen, Anders; Myklebust, Grethe; Holme, Ingar; Engebretsen, Lars; Bahr, Roald. Intrinsic risk factors for acute ankle injuries among male soccer players: a prospective cohort study. Scandinavian Journal of Medicine in Science and Sports 2009. Doi: 10.1111/j.1600-0838.2009.00971.x. ISSN 0905-7188.

Bizzini, Mario; Junge, Astrid; Bahr, Roald; Dvorak, Jiri. Injuries of football referees: a representative survey of Swiss referees officiating at all levels of play. Scandinavian Journal of Medicine in Science and Sports 2009:Oct 22. [Epub ahead of print].

Bizzini, Mario; Junge, Astrid; Bahr, Roald; Dvorak, Jiri. Injuries and musculoskeletal complaints in referees - A complete survey in the top divisions of the Swiss Football League. Clinical Journal of Sports Medicine 2009:19:95-100.

Bizzini, Mario; Junge, Astrid; Bahr, Roald; Dvorak, Jiri. Female soccer referees selected for the FIFA Women's World Cup 2007: survey of injuries and musculoskeletal problems. British Journal of Sports Medicine 2009:43:936-942. >>

Bahr, Roald. No injuries, but plenty of pain? On the methodology for recording overuse symptoms in sports. British Journal of Sports Medicine 2009:43:966-972.

2008

Steffen, Kathrin; Myklebust, Grethe; Olsen, Odd-Egil; Holme, Ingar; Bahr, Roald. Preventing injuries in female youth football – a cluster-randomized controlled trial. Scandinavian Journal of Medicine in Science and Sports 2008:18(5):605-614. ISSN 0905-7188.

Steffen, Kathrin; Bakka, Hilde Mikkelsen; Myklebust, Grethe; Bahr, Roald. Performance aspects of an injury prevention program: a ten-week intervention in adolescent female football players. Scandinavian Journal of Medicine in Science in Sports 2008:18(5):596-604. ISSN 0905-7188.

Steffen, Kathrin; Myklebust, Grethe; Andersen, Thor Einar; Holme, Ingar; Bahr, Roald. Self-reported injury history and lower limb function as risk factors for injuries in female youth soccer. American Journal of Sports Medicine 2008:36(4):700-708. ISSN: 0363-5465.

Soligard, Torbjørn; Myklebust, Grethe; Steffen, Kathrin; Holme, Ingar; Silvers, Holly; Bizzini, Mario; Junge, Astrid; Dvorak, Jiri; Bahr, Roald; Andersen Thor Einar. Comprehensive warm-up programme to prevent injuries in female footballers: a cluster randomised controlled trial. British Medical Journal 2008:337:a2469.

Kristianslund, Eirik; Steffen, Kathrin; Iwasa, Junji; Shima, Yosuke; Myklebust, Grethe; Bahr, Roald; Krosshaug, Tron. Differences in strength and cutting and jumping technique between ACL-injured and non-injured team handball players – a case-control study. ESSKA, Portugal. 21-05 - 24-05-2008.

Hoksrud, Aasne; Öhberg, Lars; Alfredson, Håkon; Bahr, Roald. Color doppler ultrasound findings in patellar tendinopathy (jumper´s knee). American Journal of Sports Medicine 2008:36:1813. DOI: 10.1177/0363546508319897. ISSN 0363-5465.

Engebretsen Anders, Myklebust Grethe, Holme Ingar, Engebretsen Lars, Bahr Roald. Prevention of injuries among male soccer players. A prospective, randomized intervention study targeting players with previous injuries or reduced function. American Journal of Sports Medicine 2008. Doi:10.1177/0363546508314432. ISSN 0363-5465.

Bizzini, Mario; Junge, Astrid; Bahr, Roald; Helsen, Werner; Dvorak, Jiri. Injuries and musculoskeletal complaints in referees and assistant referees selected for the 2006 FIFA World Cup-retrospective and prospective survey. British Journal of Sports Medicine 2008:July 4:doi:10.1136/bjsm.2008.048314. ISSN: 0306-3674.

2007

Visnes, Håvard; Bahr, Roald. The evolution of eccentric training as treatment for patellar tendinopathy (jumper's knee): a critical review of exercise programmes. British Journal of Sports Medicine 2007:41(4):217-223.

Tegnander A, Olsen OE, Moholdt TT, Engebretsen L, Bahr R. Injuries in Norwegian female elite soccer: a prospective one-season cohort study. Knee Surg Sports Traumatol Arthrosc 2007:ep 26; [Epub ahead of print].

Sulheim, Steinar; Ekeland, Arne; Bahr, Roald. Self-estimation of ability among skiers and snowboarders. Knee Surgery and Sports Traumatololy of Arthroscopy 2007:15(5):665-70.

Steffen, Kathrin; Myklebust, Grethe; Andersen, Thor Einar; Holme, Ingar; Bahr, Roald. Selv-rapportert skadehistorie og funksjon som risikofaktorer for skader i jentefotball. Idrettsmedisinsk Høstkongress 2007. Oslo 2007-11-08 - 11-11.

Steffen, Kathrin; Iwasa, Junji; Kristianslund, Eirik; Krosshaug, Tron; Myklebust, Grethe. Knelaksitet, bevegelighet og muskelstyrke hos håndballspillere med fremre korsbåndskader. Idrettsmedisinsk Høstkongress 2007. Oslo 2007-11-08 - 11-11.

Steffen, Kathrin; Andersen, Thor Einar; Bahr, Roald. Risk of injury on artificial turf and natural grass in young female football players. British Journal of Sports Medicine 2007:41(suppl 1):i33-i37. ISSN 0306-3674.

Olsen, Odd-Egil; Myklebust, Grethe; Engebretsen, Lars; Bahr, Roald. Injury pattern in youth team handball: a comparison of two prospective registration methods. Scandinavian Journal of Medicine and Science in Sports 2006:16(6):426-432. ISSN 0905-7188.

Nakamae_2007_ISAKOS_Analysis of ACL Injury Mechanisms using Three-dimensional Motion Reconstruction from Uncalibrated Video Sequences >>

Lian, Øystein; Scott, A; Engebretsen, Lars; Bahr, Roald; Duronio, V; Khan, Karim. Excessive apoptosis in patellar tendinopathy in athletes. American Journal of Sports Medicine 2007:35(4):605-611.

Lian, Øystein; Dahl, J; Ackerman, Paul; Frihagen, F; Engebretsen, Lars; Bahr, Roald. Pronociceptive and antinociceptive neuromediators in patellar tendinopathy. American Journal of Sports Medicine 2006:34(11):1801-1808. ISSN 0363-5465.

Krosshaug, Tron; Nakamae, Atsu; Boden, Barry P; Engebretsen, Lars; Smith, Gerald; Slauterback, James R; Hewett, Timothy E; Bahr, Roald. Estimating 3D joint kinematics from video sequences of running and cutting maneuvers-assessing the accuracy of simple visual inspection. Gait Posture. 2007, 26(3), pp. 378-385

Krosshaug, Tron; Nakamae, Atsu; Boden, Barry P; Engebretsen, Lars; Smith, Gerald; Slauterback, James R; Hewett, Timothy E; Bahr, Roald. Mechanisms of anterior cruciate ligament injury in basketball: video analysis of 39 cases. American Journal of Sports Medicine 2007:35(3):359-67.

Granan LP, Bahr R, Steindal K, Furnes O, Engebretsen L. Development of a National Cruciate Ligament Surgery Registry: The Norwegian National Knee Ligament Registry. American Journal of Sports Medicine 2007:Nov 7; [Epub ahead of print]

Engebretsen, Anders Hauge; Myklebust, Grethe; Holme, Ingar; Engebretsen, Lars; Bahr, Roald. Prevention of injuries among male football players-a prospective randomized intervention study targeting players with previous injuries or reduced function. In: 1st World Congress on Sports Injury Prevention, Oslo. British Journal of Sports Medicine 39, 6: 382. Oslo 23.-25.06.2005. ISSN 0306-3674.

Bahr, Roald; Fossan, Bjørn; Løken, Sverre; Engebretsen, Lars. Surgical treatment versus eccentric training for patellar tendinopathy (jumper's knee) - a randomized controlled trial. I: 12th ESSKA 2000 Congress - Abstracts. 2006.

Bahr R, Engebretsen L.Evaluation and treatment of acute ankle sprains. EFORT, European Instructional Course Lectures, Volum 6 2003.

Arnason, Arni; Andersen, Thor Einar; Holme, Ingar; Engebretsen, Lars; Bahr, Roald. Prevention of hamstring strains in elite soccer: an intervention study. Scand Journal Medicine Science and Sports 2007.doi: 10.1111/j.1600-0838.2006.00634.x. ISSN 0905-7188.

2006

Torjussen, Jørn; Bahr, Roald. Injuries among international elite snowboarders. British Journal of Sports Medicine 2006:40(3):230-234. ISSN 0306-3674.

Sulheim, Steinar; Holme, Ingar; Ekeland, Arne; Bahr, Roald. Helmet use and risk of head injuries in alpine skiers and snowboarders. Journal of the American Medical Association (JAMA) 2006:295(8):919-924.

Steffen, Kathrin; Bahr, Roald. Risiko for skader på naturgress og kunstgress blant unge kvinnelige fotballspillere. I: Norsk Idrettsmedisin. 21, 28. ISSN 0806-9328. Idrettsmedisinsk Høstkongress 2006, Hamar 2006-11-02 - 2006-11-05.

Steffen, Kathrin; Myklebust, Grethe; Olsen, Odd-Egil; Holme, Ingar; Bahr, Roald. Forebygging av skader blant unge kvinnelige fotballspillere: en randomisert kontrollert studie. I: Norsk Idrettsmedisin. 21, 27. ISSN 0806-9328. Idrettsmedisinsk Høstkongress 2006, Hamar 2006-11-02 - 2006-11-06.

Soligard, Torbjørn; Andersen, Thor Einar; Bahr, Roald. Risiko for fotballskader på naturgress og kunstgress i Norway Cup 2005/2006. I: Norsk Idrettsmedisin. 21, 25. ISSN 0806-9328. Idrettsmedisinsk Høstkongress 2006, Hamar 2006-11-02 - 2006-11-05.

Nakamae, Atsuo; Engebretsen, Lars; Bahr, Roald; Krosshaug, Tron; Ochi, Mitsuo. Natural history of bone bruises after acute knee injury: clinical outcome and histopathological findings. Knee Surgery, Sports Traumatology, Arthroscopy 2006:14(12):1252-1258.

Krosshaug T, Slauterbeck JR, Engebretsen L, Bahr R. Biomechanical analysis of anterior cruciate ligament injury mechanisms: three-dimensional motion reconstruction from video sequences. Scandinavian Journal of Medicine in Science and Sports 2006:Dec 20; [Epub ahead of print]

Hoksrud, Aasne; Öhberg, L